Muratec F-114 Service Manual
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Muratec F-114 Service Manual

Muratec F-114 Service Manual

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All manuals and user guides at all-guides.com
F-114 / F-114P
SERVICE MANUAL
DIGITA L LASER MFP
Contents
1. Precautions
2. Product Specifications & Features
3. Disassembly and Reassembly
4. Alignment & Troubleshooting
5. Exploded Views and Parts Lists
6. System Diagram
7. Reference Information

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Summary of Contents for Muratec F-114

  • Page 1 All manuals and user guides at all-guides.com F-114 / F-114P SERVICE MANUAL DIGITA L LASER MFP Contents 1. Precautions 2. Product Specifications & Features 3. Disassembly and Reassembly 4. Alignment & Troubleshooting 5. Exploded Views and Parts Lists 6. System Diagram...
  • Page 2 All manuals and user guides at all-guides.com...

  • Page 3: Table Of Contents

    All manuals and user guides at all-guides.com Contents 1. Precautions 1.1 Safety Warning 1.2 Caution for safety 1.3 ESD Precautions 2. Product Specifications and Features 2.1 Product Specifications 2.2 Summary of Product 2.2.1 Printer Components 2.2.2 Overview of System 2.2.3 System Layout 2-11 2.2.4 Main PBA(SPL Model) 2-15...
  • Page 4 All manuals and user guides at all-guides.com Continued 3.12 Scan Motor Ass'y 3-10 3.13 ADF Roller 3-11 3.14 Sub Hook PBA 3-12 3.15 Drive Ass'y 3-13 3.16 DC-Fan 3-13 3.17 Exit Cover Ass'y 3-14 3.18 LSU-Unit 3-15 3.19 Engine Shield Ass'y 3-15 3.20 Main PBA 3-16...
  • Page 5 All manuals and user guides at all-guides.com Continued 4.2.3 Copy Problems 4-51 4.2.4 Paper Feed problems – Causes and Solutions 4-55 4.2.5 Printer Faults – Causes and Solutions 4-63 4.2.6 Toner Cartridge Service 4-73 4.2.7 Software Problems – Causes and Solutions 4-78 5.
  • Page 6 All manuals and user guides at all-guides.com...

  • Page 7: Precautions

    All manuals and user guides at all-guides.com Precautions 1. Precautions In order to prevent accidents and to prevent damage to the equipment please read the precautions listed below carefully before servicing the printer and follow them closely. 1.1 Safety Warning (1) Only to be serviced by appropriately qualified service engineers.

  • Page 8: Caution For Safety

    All manuals and user guides at all-guides.com Precautions 1.2 Caution for safety 1.2.1 Toxic material This product contains toxic materials that could cause illness if ingested. (1) If the LCD control panel is damaged it is possible for the liquid inside to leak. This liquid is toxic. Contact with the skin should be avoided, wash any splashes from eyes or skin immediately and contact your doctor.
  • Page 9 All manuals and user guides at all-guides.com Precautions 1.2.3 Handling Precautions The following instructions are for your own personal safety, to avoid injury and so as not to damage the printer (1) Ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause the printer to tip or fall.
  • Page 10 All manuals and user guides at all-guides.com Precautions 1.2.5 Disregarding this warning may cause bodily injury (1) Be careful with the high temperature part. The fuser unit works at a high temperature. Use caution when working on the printer. Wait for the fuser to cool down before disassembly.

  • Page 11: Esd Precautions

    All manuals and user guides at all-guides.com Precautions 1.3 ESD Precautions Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called “Electrostatically Sensitive (ES) Devices”, or ESDs. Examples of typical ESDs are: integrated circuits, some field effect transistors, and semiconductor “chip”...
  • Page 12 All manuals and user guides at all-guides.com...

  • Page 13: Product Specifications And Features

    Product spec and feature 2. Product specification and feature 2.1 Product Specifications Specfications are correct at the time of printing. Product specifications are subject to change without notice. See below for product specifications. Items F-114 Series F-114P F-114 Model Name Functions Fax,Copier,Printer,Scanner...
  • Page 14 All manuals and user guides at all-guides.com Product spec and feature Items F-114 Series Model Name F-114P F-114 Scan Halftone 256level 256level Scan Method "CIS, Mono" "CIS, Mono" *Scan Speed Gray Up to 72 sec (Second /scan) Color Black&White Up to 25 sec...
  • Page 15 All manuals and user guides at all-guides.com Product spec and feature Items F-114 Series Model Name F-114P F-114 Halftone 256level 256level (Continued) Memory Capacity Total memory: 8MB( Fax: 2MB) Total memory: 8MB(Fax: 2MB) Optional Memory Broadcasting Delay TX Memory RX...
  • Page 16 All manuals and user guides at all-guides.com Product spec and feature Items F-114 Series Model Name F-114P F-114 Software Windows Win 2000 Compatiblity Win 2003 (Scan/Print) Win XP Win Vista Driver GDI Printer TWAIN FaxRCP (Windows ONLY) Mac Printer Mac Scanner...

  • Page 17: Summary Of Product

    All manuals and user guides at all-guides.com Summary of Product Product spec and feature 2.2 Summary of Product This chapter describes the functions and operating principals of the main components. 2.2.1 Printer Components 2.2.1.1 Front View Service Manual...
  • Page 18 All manuals and user guides at all-guides.com Product spec and feature Items F-114 Series Model Name F-114P F-114 Software Windows Win 2000 Compatiblity Win 2003 (Scan/Print) Win XP Win Vista Driver GDI Printer TWAIN FaxRCP (Windows ONLY) Mac Printer Mac Scanner...
  • Page 19 All manuals and user guides at all-guides.com Product spec and feature 2.2.1.3 Control Panel < F-114 / F-114P > Service Manual...
  • Page 20 All manuals and user guides at all-guides.com Product spec and feature Service Manual...

  • Page 21: Overview Of System

    SMPS and HVPS integrated on one PBA. 2.2.2.1 Main Controller. The Main Controller of the F-114 / F-114P consists of two ASICs (CPU, Image Processor), Scanner, Fax Modem and Print sections. Bus Control, I/O Handling, Scanner, all motor drivers and the PC Interface function is controlled by the CPU.
  • Page 22 All manuals and user guides at all-guides.com Product spec and feature - SMPS Board & HVPS Board These are integrated into a singe PBA. The Power Supply uses the 110VAC/220VAC supply voltage to generate the DC Voltages used by the system. The SMPS has 3 output channels (+5V, +12V, +24V, +24VS) and supplies the Main Board and the OPE Board.

  • Page 23: System Layout

    All manuals and user guides at all-guides.com Product spec and feature 2.2.3 System Layout 2.2.3.1 Feeding section There is a universal cassette which automatically loads paper and the manual feed which supplies paper single sheet at a time. The cassette has a friction pad which separates paper to ensure single sheet feeding, and it has a sensor, which checks when the paper tray is empty.
  • Page 24 All manuals and user guides at all-guides.com Product spec and feature 2.2.3.4(e) Safety Features • To prevent overheating - 1st protection device: Hardware cuts off when overheated - 2nd protection device: Software cuts off when overheated - 3rd protection device: Thermostat cuts off mains power to the lamp. •...
  • Page 25 All manuals and user guides at all-guides.com Product spec and feature 2.2.3.6 LSU (Laser Scanner Unit) This is the core of the laser printer. It converts the video data received from the computer into an electrosta- tic latent image on the surface of the OPC drum. This is achieved by controlling the laser beam and expos- ing the surface of the OPC drum to the laser light.
  • Page 26 All manuals and user guides at all-guides.com Product spec and feature 2.2.3.7 Toner Cartridge The toner cartridge is an integral unit containing the OPC unit and toner unit. The OPC unit consists of the OPC drum and charging roller, and the toner cartridge unit consists of the toner, supply roller, developing roller, and blade (Doctor blade) - Developing Method: Non magnetic 1 element contacting method - Toner: Non magnetic 1 element shatter type toner...

  • Page 27: Main Pba(Spl Model)

    All manuals and user guides at all-guides.com Product spec and feature 2.2.4 Main PBA(SPL Model) The Engine Board and Controller Board have been integrated into a single PBA. This consists of the CPU, printer scanner and line control functions. The CPU functions as the bus controller, I/O handler, motor driver and PC inter-face.
  • Page 28 All manuals and user guides at all-guides.com Product spec and feature 2.2.4.1 ASIC (Chorus2) The unt's S3C46Q0X 16/32-bit RISC micro controller is designed to provide a cost-effective, low power, small die size and high performance micro-controller solution for MFP. The S3C46Q0X is developed using ARM7TDMI core, 0.18(m CMOS standard cell, and memory cell. •Main function block •...
  • Page 29 All manuals and user guides at all-guides.com Product spec and feature 2.2.4.4 Sensor input circuit 1) Paper Empty Sensor The Paper Empty sensor (Photo Interrupter) on the SMPS/HVPS PBA is monitored by the CPU on signal(nP_EMPTY, CN3-Pin 1). When the cassette is empty the printer displays a message on the LCD panel.

  • Page 30: Smps & Hvps

    All manuals and user guides at all-guides.com Product spec and feature 2.2.5 SMPS & HVPS The SMPS and HVPS are on one integrated board. The SMPS supplies the DC power to the system. It takes either 110V or 220V and outputs the +5V, -5V/0.5A, 12V and 24V supplies to the main and ADF PBAs.
  • Page 31 All manuals and user guides at all-guides.com Product spec and feature 2.2.5.1 HVPS(High Voltage Power Supply) 1) Transfer High Voltage (THV+) - Function : It is this voltage that transfers toner from the OPC Drum to the paper. - Output voltage : +1300V DC±20V - Error : IF THV (+) is not present, low density printing occurs due to toner on the OPC Drum not being transferred to the paper.
  • Page 32 All manuals and user guides at all-guides.com Product spec and feature 2.2.5.2 SMPS (Switching Mode Power Supply) ItThis is the power source for the whole system. It is an independent module so that it is possible to use it for common use.
  • Page 33 All manuals and user guides at all-guides.com Product spec and feature 6) Feature - Insulating resistance : over 50MΩ (at DC500V) - Insulating revisiting pressure : Must be no problem within 1min. (at 1500Vzc, 10mA) - Leaking current : under 3.5mA - Running current : under 40A peak (at 25°c, Cold start) Under 60A peak (in other conditions) - Rising Time : Within 2Sec - Falling Time : Over 20ms...

  • Page 34: Engine F/W

    All manuals and user guides at all-guides.com Product spec and feature 2.2.6 Engine F/W 2.2.6.1 Feeding If feeding from the cassette the drive of the pickup roller is controlled by controlling the pick-up solenoid. The on/off of the solenoid is controlled by controlling the general output port or the external output port. If feeding from the manual feeder the set decides to feed the paper according to the operation of the manual sensor, and by driving the main motor, insert the paper in front of the feed sensor.

  • Page 35: Ope Pba

    All manuals and user guides at all-guides.com Product spec and feature 2.2.6.4 Fusing The temperature of the heat roller's surface is detected according to the resistance value of the thermistor. The thermistor resistance is measured using the A/D converter and thus the CPU can determine the temperature of the heat roller.
  • Page 36 All manuals and user guides at all-guides.com...

  • Page 37: Disassembly And Reassembly

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3. Disassembly and Reassembly 3.1 General Precautions on Disassembly When you disassemble and reassemble compo- Releasing Plastic Latches nents, you must use extreme caution. The close proximity of cables to moving parts makes proper Many of the parts are held in place with plastic routing a must.

  • Page 38: White Roller Ass,Y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.2 White Roller Ass,y 1. Open the OPE Unit. 2. Push the Bushing on RH end of the roller slightly inward, then rotate it until it reaches the slot as shown below. Then lift the roller out.

  • Page 39: Side Cover L

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.4 Side Cover L 1. Before you remove the Side Cover L, you should 3. If necessary, remove the two screws securing the remove: Speaker and remove it. - Remove handset and cradle. 2.

  • Page 40: Ope Unit

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.6 OPE Unit 1. Before you remove the OPE Unit, you should remove: 4. Carefully release the latches from Top Cover in the - Rear Cover (see section 3.3) direction of the arrow, as shown below. 2.
  • Page 41 All manuals and user guides at all-guides.com Disassembly and Reassembly 6. Remove the seven screws securing the OPE PBA 8. Remove the Key Pad from the OPE Cover. and remove it. OPE PBA Key Pad 7. Remove the Contact Rubber from the OPE Cover. Contact Rubber Service Manual...

  • Page 42: Adf Rubber Pad

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.7 ADF Rubber Pad 1. Before you remove the ADF Rubber Pad, you should remove: - Rear Cover (see section 3.3) - OPE Unit (see section 3.6) 2. Insert a flat-blade screwdriver into the slot as shown below, and release the latches.

  • Page 43: Cis

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.8 CIS 1. Before you remove the CIS, you should remove: 3. Unlatch the CIS using a flat-blade screwdriver and - White Roller Ass'y (see section 3.2) release it, as shown below. Disconnect harness from - Rear Cover (see section 3.3) CIS unit.

  • Page 44: Front Cover Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.10 Front Cover Ass'y 1. Take out the Cassette. 3. Unlatch the Front Cover from the Frame Ass'y. Then remove the Front Cover, as shown below. Cassette Front Cover 2. Open the Front Cover. Service Manual Samsung Electronics...

  • Page 45: Scan Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.11 Scan Ass'y 1. Before you remove the Scan Ass'y, you should 3. Remove the four screws securing the Top Cover and remove: remove the Scan Ass'y, as shown below. - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5)

  • Page 46: Scan Motor Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.12 Scan Motor Ass'y 1. Before you remove the Scan Motor Ass'y, you should 3. Remove the three silver screws securing the Scan remove: Motor Ass'y and remove it. - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5) - OPE Unit (see section 3.6)

  • Page 47: Adf Roller

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.13 ADF Roller 1. Before you remove the ADF Roller, you should 3. Carefully release the ADF Roller from Top Cover in remove: the direction of the arrow, as shown below. - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5)

  • Page 48: Sub Hook Pba

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.14 Sub Hook PBA 1. Before you remove the Sub Hook PBA, you should 3. Remove the one screws securing the Sub Hook PBA remove: and remove it. - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) Sub Hook PBA 2.

  • Page 49: Drive Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.15 Drive Ass'y 1. Before you remove the Drive Ass'y, you should 2. Remove the six screws securing the Drive Ass'y and remove: remove it. Then unplug the one connector from the - Rear Cover (see section 3.3) Drive Motor, as shown below.

  • Page 50: Exit Cover Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.17 Exit Cover Ass'y 1. Before you remove the Exit Cover Ass'y, you should 3. Remove the Exit Gear and Bearing using a flat-blade remove: screwdriver, as shown below. - Scan Ass'y (see section 3.11) Then take out the Exit Roller.

  • Page 51: Lsu-Unit

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.18 LSU-Unit 1. Before you remove the LSU, you should remove: 3. Remove the four screws securing the LSU and - Scan Ass'y (see section 3.11) remove it. 2. Unplug the two connectors from the LSU, as shown below.

  • Page 52: Main Pba

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.20 Main PBA 1. Before you remove the Main PBA, you should 2. Remove the three screws securing the Main PBA and remove: remove it. Then carefully release the latches from - Engine Shield Ass,y (see section 3.19) Supporter, as shown below.

  • Page 53: Smps

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.21 SMPS 1. Before you remove the SMPS, you should remove: 4. Remove the four screws securing the SMPS and - Engine Shield Ass,y (see section 3.19) remove it. Then Lift the SMPS out, as shown below. 2.

  • Page 54: Fuser Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.22 Fuser Ass'y 1. Before you remove the Fuser Ass'y, you should 4. Remove the two screws securing the Halogen Lamp. remove: Then take out the Halogen Lamp from the Heat - Engine Shield Ass,y (see section 3.19) Roller, as shown below.
  • Page 55 All manuals and user guides at all-guides.com Disassembly and Reassembly 6. Remove the four screws securing the Fuser Cover 8. Remove the one screw securing the Thermister and and remove it, as shown below. remove it, as shown below. Claw Fuser Cover Thermister 7.

  • Page 56: Transfer Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.23 Transfer Ass'y 1. Before you remove the Transfer Ass'y, you should 3. Unplug the PTL Holder connector, then remove the remove: PTL Holder and PTL Lens, as shown below. - LSU (see section 3.18) Lens 2.

  • Page 57: Feed Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.24 Feed Ass'y 1. Before you remove the Feed Ass'y, you should 4. Remove the three screws securing the Feed Bracket remove: and remove it. - Scan Ass'y (see section 3.11) - Drive Ass'y (see section 3.15) Feed Bracket - LSU (see section 3.18)
  • Page 58 All manuals and user guides at all-guides.com Disassembly and Reassembly 6. Remove the Feed Gear1 Ass'y. 7. Pull up the Feed Roller and Feed Roller1. Feed Roller Feed Gear1 Ass'y Feed Roller1 3-22 Service Manual Samsung Electronics...

  • Page 59: Pick Up Ass'y

    All manuals and user guides at all-guides.com Disassembly and Reassembly 3.25 Pick up Ass'y 1. Before you remove the Pick up Ass'y, you should 3. Take out the Pick up Ass'y, as shown below. remove: - Scan Ass'y (see section 3.11) - Drive Ass'y (see section 3.15) - LSU (see section 3.18) - Engine Shield Ass,y (see section 3.19)
  • Page 60 All manuals and user guides at all-guides.com...

  • Page 61: Alignment & Troubleshooting

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4. Adjustment and Troubleshooting 4.1 Alignment and Adjustments 4.1.1 Paper path ADF Part ADF R Engine Part L S U Fuser Toner Cartridge Service Manual...
  • Page 62 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.1.1 Copy & Scan Document Path ADF Part ADF R Service Manual...
  • Page 63 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.1.2 Printer Paper Path 1) After receiving print job the printer feeds printing paper from the cassette or manual feeder. 2) The fed paper passes the paper feeding sensor. (Jam 0 occurs if the sensor is not operated within a cer- tain time) 3) After passing the feed sensor the paper passes through the print process to the paper exit sensor.

  • Page 64: Clearing Paper Jams

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2 Clearing Paper Jams Occasionally paper can become jammed during a print job. Some of the causes include: • The tray is loaded improperly or overfilled. • The tray has been pulled out during a print job. •...
  • Page 65 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2.1 Clearing Document Jams When a document jams while passing through the ADF (Automatic Document Feeder) "Document Jam" appears on the display. 4.1.2.1(a) Input Misfeed 1) Remove the remaining documents from the ADF. 2) Pull the jammed document gently out of the ADF.
  • Page 66 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2.1(b) Exit Misfeed 1) Remove the remaining documents from the ADF. 2) Open the control panel by gripping its lower front edge and lifting gently. 3) Pull the document gently out of the ADF. 4) Close the control panel, then load the documents back into the ADF.
  • Page 67 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2.2 Clearing Paper Jams When a paper jam occurs, "Paper Jam" appears on the display. Refer to the table below to locate and clear the paper jam. Message Location of Jam Paper Jam 0 In the paper tray.
  • Page 68 All manuals and user guides at all-guides.com Alignment & Troubleshooting 3) Remove the jammed paper by gently pulling it straight out. If there is any resistance and the paper does not move when you pull or if you cannot see the paper in this area, skip to the fuser area around the toner cartridge.
  • Page 69 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2.3 In the Paper Exit Area 1) Open and close the front cover. The jammed paper is automatically ejected from the machine. If the paper is not ejected continue to step 2. 2) Gently pull the paper out of the front output tray.
  • Page 70 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2.4 In the Fuser Area or Around the Toner Cartridge NOTE :The fuser area is hot. Take care when removing paper from the machine. 1) Open the front cover and lightly push down on the cartridge then pull to take it out. 2) Remove the jammed paper by gently pulling it straight out.
  • Page 71 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.2.5 In the Bypass Tray "Bypass Jam" appears on the display when you try to print using the manual feeder and the machine does not detect paper due to no paper or improper paper loading. The error message may also occur when the paper is not properly fed into the machine through the manual feeder.

  • Page 72: User Mode(F-114P)

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.3 User Mode(SF-565PR) The table below shows the map of User settings available in User Mode. These are fully described in the User Guide and are not included here. 1. Paper Setting 2.

  • Page 73: Tech Mode

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.4 Tech Mode 4.1.4.1 How to Enter Tech Mode In service (tech) mode the technician can check the machine and perform various tests to help with failure diagnosis. When in Tech mode the machine still performs all normal operations. To enter the Tech mode To enter the Tech mode press in sequence and the LCD...
  • Page 74 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.4.3 Data Setup SEND LEVEL You can set the level of the transmission signal. Typically, the Tx level should be under -12 dBm. Caution : The Send Fax Level is set to the best condition during manufacture. Never change settings arbitrarily. DIAL MODE This function can choose the dialing method.
  • Page 75 All manuals and user guides at all-guides.com Alignment & Troubleshooting FLASH UPGRADE There are 2 methods to update the Flash Rom, Local and Remote. (1) Local Machine • RCP (Remote Control Panel) mode This method is for Parallel Port or USB Port. Connect the PC and activate the RCP (Remote Control Panel) to upgrade the Firmware.
  • Page 76 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.4.4 Machine Test SWITCH TEST Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window each time you press a key. MODEM TEST Use this feature to hear various transmission signals to the telephone line from the modem and to check the modem, amplifier and speaker.
  • Page 77 All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.4.5 Report PROTOCOL LIST This list shows the sequence of the CCITT group 3 T.30 protocol during the most recent sending or receiving operation. Use this list to check for send and receive errors. If a communication error occurs while the machine is in TECH mode, the protocol list will print automatically.

  • Page 78: Engine Test Mode

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.5 Engine Test Mode The Engine Test Mode supplies useful functions to check the condition of the print engine. It tests the con- dition of each device and displays the result of the test on the LCD. It is divided into 5 functions (0~4), and these are shown below.

  • Page 79: Identify Sale Date

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.6 Identify Sale Date This function confirms the date that consumer used the product for the first time. When the consumer first operate the machine, it will start the scan and page counters. The time the machine was first used is remembered.

  • Page 80: Consumables And Replacement Parts

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.7 Consumables and Replacement Parts The life cycle outlined below is a general guideline for maintenance purposes and is for reference only. Environmental conditions (temperature, humidity, dust etc.) and actual use can cause these figures to vary. COMPONENT REPLACEMENT CYCLE ADF Rubber...

  • Page 81: Abnormal Image Printing And Defective Roller

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.8 Abnormal Image Printing and Defective Roller If a mark or other printing defect occurs at regular intervals down the page it may be caused by a damaged or contaminated roller. Measure the repetition interval and refer to the table below to identify the roller concerned. L S U Fuser Toner Cartridge...

  • Page 82: Error Messages

    All manuals and user guides at all-guides.com Alignment & Troubleshooting 4.1.9 Error Messages The front panel displays the printer's status or error messages. Refer to the list below for an explanation of these messages and how to clear problems. The messages and their meanings are listed in alphabetical order, with numbered messages following.
  • Page 83 All manuals and user guides at all-guides.com Alignment & Troubleshooting [Jam 1] or [No Cartridge] Meaning: Paper has jammed inside the unit, or the toner cartridge is not installed. Solution: Clear the jam. Install the toner cartridge. Line Busy Meaning: The remote person did not answer or the line is already engaged.
  • Page 84 All manuals and user guides at all-guides.com Alignment & Troubleshooting NO. Not Assigned Meaning: The speed dial location you tried to use has no number assigned to it. Solution: Dial the number manually with the keypad, or assign the number. [No Paper]Add Paper Meaning: The paper cassette is empty.

  • Page 85: Troubleshooting

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2 Troubleshooting 4.2.1 Procedure of Checkig the Symptoms Before attempting to repair the printer first obtain a detailed description of the problem from the customer. Power On - No Power - Power Module error OP Panel - Main PBA error...

  • Page 86: The Cause And Solution Of Image Quality

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.2 The cause and solution of image quality 1) Vertical Black Line and Band Description: 1. Straight thin black vertical lines occur in the prnting 2. Dark black vertical bands occurrs in the printing Digital Printer Digital Printer Digital Printer...
  • Page 87 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 2) Vertical White Line Description: White vertical voids in the image. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Service Manual 4-27...
  • Page 88 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 3) Horizontal Black Bands Description: Dark or blurry horizontal stripes occur in the printing periodically (These may occurs at regular intervals down the page.) Digital Printer Digital Printer Digital Printer Digital Printer Clean all HV terminals on the cartridge Digital Printer...
  • Page 89 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4) Black/White Spot Description: 1. Dark or blurry spots occur periodically in the printing 2. White spots occur periodically in the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1.
  • Page 90 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 5) Light Image Description: The printed image is light, with no ghost. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Service Manual 4-30...
  • Page 91 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 6) Dark image or Black Description: The printed image is dark. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Service Manual 4-31...
  • Page 92 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 7) Uneven Density Description: Print Density is uneven between left and right. Service Manual 4-32...
  • Page 93 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 8) Background Description:Light dark background appears in whole area of the printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer The toner cartridge is basically designed to print 3,000 sheets with Std.
  • Page 94 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 9) Ghost(1) Description: Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Service Manual 4-34...
  • Page 95 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 10) Ghost (2) Description: Ghost occurs at 75 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) Digital Printer Digital Printer Digital Printer Digital Printer...
  • Page 96 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 11) Ghost (3) Description: Ghost occurs at 66.3 or 75.5 mm intervals. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Disassemble the fuser and remove any contamination on the rollers. 1.
  • Page 97 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 12) Ghost (4) Description: A White ghost occurs in a black image printing at 32 mm intervals. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Problem in the toner cartridge, 1.
  • Page 98 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 13) Stains on the Face of Page Description: The background on the face of the printed page is stained. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Toner leakage due to improperly Replace the toner cartridge.
  • Page 99 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 14) Stains on Back of Page Description: The back of the page is stained at 45.3 or 75.5 mm intervals. Digital Digital Pri Digital Printer Digital Printer Digital Printer Perform the OPC Cleaning Mode 1.
  • Page 100 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 15) Blank Page Print out (1) Description: Blank page is printed. 1. Check if the Ground-OPC or the 1. Bad ground contacts in OPC Ground Zener diode are OPC and/or toner cartridge. defective or open circuit.
  • Page 101 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 16) Blank Page Print out (2) Description: 1. Blank page is printed. 2. One or several blank pages are printed. 3. When the printer turns on, several blank pages print. Perform the engine self test using 1.

  • Page 102: Fax & Phone Problems

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.2 Fax & Phone Problems 1) No Dial Tone Description: There is no dial tone when the On-Hook dial button is pressed. If the telephone cord is OK but 1. Check that the there is no dial tone, try plugging telephone line cord supplied a normal telephone into the wall...
  • Page 103 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 2) Defective MF DIAL Description: The MF DIAL is not functioning. If the telephone cord is OK but 1. Check that the there is no dial tone, try plugging telephone line cord supplied a normal telephone into the wall with the set is connected to socket.
  • Page 104 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 3) Defective FAX FORWARD/RECEIVE Description: FAX FORWARD/RECEIVE is not functioning. If MODEM testing is normal and 1. Check that you can there is no dial tone, then try hear a dial tone by pressing OHD. replacing the Main B'd.
  • Page 105 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4) Defective FAX FORWARD Description: RECEIVE is functioning, but FORWARD is not functioning or received data is corrupt. If you can hear a noisy line when 1. Check if there is a using on-hook dial, replace or NOISE line by pressing on-hook repair the telephone line.
  • Page 106 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 5) Defective FAX RECEIVE (1) Description: FORWARD is functioning, but RECEIVE is not functioning or the received data is corrupt. If you can hear a noisy line when 1. Check if there is a NOISE using on-hook dial, replace or line by pressing on-hook dial repair the telephone line.
  • Page 107 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 6) Defective FAX RECEIVE (2) Description: Received data are lengthened or cut in the printing. If you can hear a noisy line when 1. Check if there is a NOISE using on-hook dial, replace or line by pressing on-hook dial repair the telephone line.
  • Page 108 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 7) Defective FAX RECEIVE (3) Description: The phone is ringing continuously, but it set does not answer the call. If the fault persists even when the 1. Check that the RECEIVE RECEIVE Mode is changed to Mode is set to FAX MODE.
  • Page 109 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 8) Defective FAX RECEIVE (4) Description: Received data is reduced by more than 50% in the printing. This is a problem with the sending 1. Check the FAX status fax machine. of the forwarding side.
  • Page 110 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 9) Defective Automatic Receiving Description: The automatic receiving function is not working. 1. If the RECEIVE Mode is set to the TEL MODE, reset it to the 1. Check that the RECEIVE FAX MODE.

  • Page 111: Copy Problems

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.3 Copy Problems 1) White Copy Description: Blank page is printed out when copying. 1. Check the Scanner Cover Room light can pass through a is properly closed. thin original. Redo shading profile in the 2.
  • Page 112 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 2) Black Copy Description: Black page is printed out when Copying. 1. Check for CIS problem Check the CIS harness is properly on the Main PBA. connected. Redo shading profile in the 2.
  • Page 113 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 3) Abnormal noise Description: There is noise from the Platen when copying. Check for correct assembly of gear and motor. 1. Check the Scan Motor and gesr. Ensure no parts are fouling and there are no foreign objects in the mechanism or scanner path.
  • Page 114 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4) Defective Image Quality Description: The copied image is excessively light or dark Redo shading profile in the 1. Check shading profile. tech mode. A gap of more than 0.5 mm can 2.

  • Page 115: Paper Feed Problems - Causes And Solutions

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.4 Paper Feed problems – Causes and Solutions 1) Wrong Print Position Description: Printing begins at wrong position on the paper. Wrong sensor timing caused Replace the defective actuator by defective feed sensor actuator.
  • Page 116 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 2) JAM 0 Description: 1. Paper is not exited from the cassette. 2. Jam-0 occurs when the paper feeds into the printer 1. Check the Solenoid by Replace the solenoid. using Tech Mode.
  • Page 117 All manuals and user guides at all-guides.com Adjustment and Troubleshooting Continue.. 6. If the paper feeds into the Check the SMPS PBA, Main PBA printer and Jam 0 occurs, perform and all connections. Tech Mode to check feed sensor. L S U Fuser Toner Cartridge EXIT...
  • Page 118 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 3) JAM 1 Description: 1. Paper is jammed in front of or inside the fuser. 2. Paper is stuck in the exit roller and in the fuser just after passing through the Actuator-Feed. 1.
  • Page 119 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4) JAM 2 Description: 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed.
  • Page 120 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 5) Multi-Feeding Description: Multiple sheets of paper are fed at once. 1. Check that the paper size Adjust paper guides. guides are set correctly (cassette and MPF tray). 2. Solenoid malfunction Replace the solenoids or PBA (the solenoid does not work properly).
  • Page 121 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 6) Paper rolled in the fuser Description: Paper rolled around fuser rollers or ‘Concertina’ jam After disassembling the fuser, 1. Contamination of the clean contamination from between pressure roller or heat roller. the heat roller and the thermistor and also clean contamination from the pressure roller.
  • Page 122 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 7) Paper rolled on the OPC Drum Description: Paper is rolled up in the OPC. Use paper that conforms to the printer specification. 1. Paper is too thin. Ensure paper is stored properly to prevent curl.

  • Page 123: Printer Faults - Causes And Solutions

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.5 Printer Faults – Causes and Solutions 1) Fuser Error Description: A message "Open Heat Error/Over heat/Heating Error' is displayed in the LCD panel. Replace the whole fuser assembly 1. Thermostat, fuser power if the thermostat is open circuit.
  • Page 124 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 2) LSU Error Description: A message “LSU Error” is displayed in the LCD panel. Use TECH mode to test the LSU - Replace the LSU 1. LSU cable or connector faulty. - Replace a main board if the same error persists after replacing a LSU.
  • Page 125 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 3) Fuser gear melts due to overheating causing Paper Jam. Description: Constant Jam where paper is entering Fuser unit. Fuser rollers do not turn Use EDC Mode to test the fuser. 1.
  • Page 126 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4) Paper Empty Description: Paper Empty is displayed in the LCD panel even when paper is loaded in the cassette. 1. Deformed paper sensor Replace the defective actuator or actuator or faulty sensor. sensor.
  • Page 127 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 5) Paper Empty without indication Description: The paper empty message does not appear in the LCD when the paper cassette is empty. 1. Deformed paper sensor Replace the defective actuator. actuator or faulty sensor.
  • Page 128 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 6) Cover Open Description: The Cover Open message appears on the LCD even when the print cover is closed. Use TECH mode(“cover sensor 1. The ‘Open Cover’ microswitch test”) to check cover switch may be stuck or faulty.
  • Page 129 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 7) No error message when the cover is open Description: The Cover Open message does not appears on the LCD even when the print cover is open. Use TECH mode(“cover sensor 1.
  • Page 130 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 8) Defective motor operation Description: Main motor is faulty and paper does not feed into the printer, resulting in Jam 0' Check the motor harnesses and 1. The main motor harness or connectors, replace if defective..
  • Page 131 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 9) No Power Description: When system power is turned on the LCD panel does not come on. Replace the power supply cord or 1. Check if the power input and SMPS.
  • Page 132 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 10) Printed Vertical Lines become curved Description: When printing, vertical lines are not straight. 24V stable - Replace LSU. 24V unstable replace SMPS, if the 1. Check stability of 24V supply to LSU. problem persists replace the main PBA.

  • Page 133: Toner Cartridge Service

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.6 Toner Cartridge Service Only authorized toner cartridges should be used. Printing defects or set damage caused by the use of non-approved toner cartridges or un-licensed toner refills are not covered by the guarantee. 4.2.6.1 Precautions on Safe-keeping of Toner Cartridge Excessive exposure to direct light for more than a few minutes may cause damage to the cartridge.
  • Page 134 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.6.3 Standard of guarantee for consumable parts. Please refer to User's Manual or Instructions on Fax/Printer Consumables SVC manual for the criteria for judging the quality of consumable parts the standard of guarantee on those parts. •...
  • Page 135 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.6.5 Signs and Measures of Poor toner cartridge Fault Signs Cause & Check Solution Light image and • The printed image 1. If the image is light or dirty 1. All of 1, 2, 3 partially blank is light or dirty and and untidy - Shake the toner...
  • Page 136 All manuals and user guides at all-guides.com Adjustment and Troubleshooting Fault Signs Cause & Check Solution 1. If light or dark black dots White Black spot • Light or dark black 1. For item 1 - occur at regular intervals this dots on the image Run OPC Cleaning Mode Print is because the toner cartridge...
  • Page 137 All manuals and user guides at all-guides.com Adjustment and Troubleshooting Fault Signs Cause & Check Solution Ghost & Image • The printed image 1. The printed image is too light 1. All of Items 1, 2, 3 Contamination is too light or dark, or dark, or partially (a) Clean the contacts on the or partially...

  • Page 138: Software Problems - Causes And Solutions

    All manuals and user guides at all-guides.com Adjustment and Troubleshooting 4.2.7 Software Problems – Causes and Solutions 1) The printer is not working (1) Description: While Power turned on, the printer is not working in the printing mode. If the test print works that means there are no problems in the printer itself.
  • Page 139 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 2) Abnormal Printing Description: Printing does not work – even after replacing the cable Printer does not work at all or strange fonts are printed, Ensure that ECP (best) or SPP is selected 1.
  • Page 140 All manuals and user guides at all-guides.com Adjustment and Troubleshooting 3) SPOOL Error Description: SPOOL (simultaneous peripheral operations online) is the process Windows uses to manage print jobs. Jobs are processed and then stored on the hard disk until the printer is ready to accept them 1.
  • Page 141 All manuals and user guides at all-guides.com Adjustment and Troubleshooting Continue.. Add up more memory to the PC. 6. Memory is less than suggested. How to delete the data in the spool manager. In the spool manager, the installed drivers and the list of the documents waiting to be printed are shown. Select the document to be deleted and check delete in the menu.
  • Page 142 All manuals and user guides at all-guides.com...
  • Page 143 All manuals and user guides at all-guides.com Exploded View and Parts list 5. Exploded Views and Parts List Contents Contents 5.1 Main Exploded View 5.2 Top Cover Exploded View 5.3 OPE Ass’y Exploded View 5.4 Scan Upper Ass’y Exploded View 5.5 Main Frame Exploded View 5-11 5.6 Fuser Unit Exploded View...

  • Page 144: Main Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.1 Main Exploded View Service Manual...

  • Page 145: Top Cover Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.2 Top Cover Exploded View Service Manual...

  • Page 146: Ope Ass'y Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.3 OPE Ass’y Exploded View Service Manual...

  • Page 147: Scan Upper Ass'y Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.4 Scan Upper Ass’y Exploded View Service Manual...

  • Page 148: Main Frame Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.5 Main Frame Exploded View 5-11 Service Manual msung Electronics...

  • Page 149: Fuser Unit Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.6 Fuser Unit Exploded View 5-14 Service Manual...

  • Page 150: Exit Cover Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.7 Exit Cover Exploded View 5-16 Service Manual...

  • Page 151: Cassette Unit Exploded View

    All manuals and user guides at all-guides.com Exploded View and Parts List 5.8 Cassette Unit Exploded View 5-18 Service Manual...
  • Page 152 All manuals and user guides at all-guides.com...

  • Page 153: System Diagram

    All manuals and user guides at all-guides.com System Diagram 6. System Diagram 6.1 Block Diagram Service Manual...

  • Page 154: Connection Dia Ram

    All manuals and user guides at all-guides.com System Diagram 6.2 Connection Diagram Service Manual...

  • Page 155: Reference Information

    All manuals and user guides at all-guides.com Reference Information 7. Reference Information This chapter contains the tools list, list of abbreviations used in this manual, and a guide to the location space required when installing the printer. A definition of tests pages is also included. 7.1 Tool for Troubleshooting The following tools are recommended safe and easy troubleshooting as described in this service manual.

  • Page 156: Acronyms And Abbreviations

    All manuals and user guides at all-guides.com Reference Information 7.2 Acronyms and Abbreviations The table in the below explains abbreviations used in this service manual. The contents of this service manual are declared with abbreviations in many parts. Please refer to the table.
  • Page 157 All manuals and user guides at all-guides.com Reference Information Liquid Crystal Display SMPS Switching Mode Power Supply Light Emitting Diode SPGP Printer Graphic Processor Laser Scanning Unit Printer Language Megabyte Spool Simultaneous Peripheral Operation Online Megahertz SURF Surface Rapid Fusing MPBF Mean Prints Between Failure Switch...
  • Page 158 All manuals and user guides at all-guides.com Reference Information 7.3 Select a location for the printer • Leave enough room to open the printer trays, covers, and allow for proper ventilation. (see diagram below) • Provide the proper environment : - A firm, level surface - Away from the direct airflow of air conditioners, heaters, or ventilators - Free of extreme fluctuations of temperature, sunlight, or humidity...

  • Page 159: Sample Tests Patterns

    All manuals and user guides at all-guides.com Reference Information 7.4 Sample Tests Patterns The sample patterns shown below are the standard test patterns used in the factory. The life of the toner cartridge, developer cartridge and printing speed are measured with the pattern shown below (5%).
  • Page 160 All manuals and user guides at all-guides.com...
  • Page 161 All manuals and user guides at all-guides.com...
  • Page 162 All manuals and user guides at all-guides.com Muratec America, Inc. 3301 East Plano Parkway, Ste. 100 Plano, Texas 75074 (469) 429-3300 (Tel) (469) 429-3465 (Fax) www.muratec.com...

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